What goes up, must deal with thinner oxygen at higher atmospheres. The last two years have seen unprecedented growth in comic cons/ media events around the world, with many showing spectacular growth.

But as we keep pointing out in our “When a con is crap” recurring feature, this also means a lot of fly by nighters and unprepared rookies are jumping in and not achieving the results they might have hoped for. And along the way, unsuspecting vendors, guests and attendees are getting caught holding the empty oxygen tank.